LG LSC27914SB Owner's Manual - Page 90

Abnormal Cooling Fan Error - l g manual

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9) Abnormal Cooling Fan Error NO. CHECKING FLOW 1 Turn Off the product. Remove Cover Machin Room, and check the movement of Cooling Fan Motor manually, feel the rotation condition, then proceed. 2 RESULT & SERVICE ACTION Result Service Action Tight Movement Abnormal Free movement Normal Go to Step 3 1) Turn On the product. 2) Remove Cover PCB, then press TEST S/W on Main PCB to enter to TEST MODE 1. 3 3) Check the Fan rotation. NOTE: If error code is displayed, Fan won't operates. Result Air Flow Normal Service Action Go to Step 4 No Air Flow Abnormal Go to Step 5 Air flow direction Check Motor rotation (air flow) is continuous for more than 3 minutes. 4 NOTE: If error is detected, Fan Motor will try to work 4 or 5 times. ON OFF ON OFF ON ... OFF 15s 10s 15s 10s 15s Result Continuous Normal Service Action Explain to the customer Intermittent Abnormal Go to Step 5 - 89 -

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9) Abnormal Cooling Fan Error
Turn Off the product.
1) Turn On the product.
2) Remove Cover PCB, then press TEST S/W on
Main PCB to enter to TEST MODE 1.
3) Check the Fan rotation.
NOTE: If error code is displayed, Fan won’t operates.
1
2
NO.
CHECKING FLOW
RESULT & SERVICE ACTION
3
Remove Cover Machin Room, and check the
movement of Cooling Fan Motor manually, feel
the rotation condition, then proceed.
Result
Service Action
Tight
Movement
Free
movement
Abnormal
Normal
Go to Step 3
Air flow direction
Result
Service Action
Air Flow
No Air Flow
Go to Step 4
Normal
Abnormal
Go to Step 5
Result
Service Action
Continuous
Intermittent
Explain to the customer
Normal
Abnormal
Go to Step 5
4
Check Motor rotation (air flow) is continuous for
more than 3 minutes.
NOTE: If error is detected, Fan Motor will try to work
4 or 5 times.
ON
OFF
ON
OFF
ON
...
OFF
15s
10s
15s
10s
15s
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